code: def test_zeros():
      """Test reconstruction with image and mask of zeros"""
      assert_array_almost_equal(
          reconstruction(np.zeros((5, 7)), np.zeros((5, 7))), 0
      )
  
file_path: scikit-image/skimage/morphology/tests/test_reconstruction.py
imports: import math
  import numpy
  import pytest
  from numpy.testing import assert_array_almost_equal
  from skimage._shared.utils import _supported_float_type
  from skimage.morphology.grayreconstruct import reconstruction
label_desc: Use image node_id 1 for calling a global function with example usage: test_zeros() without return types